Re: Manometer

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Mark Broker by way of Terry Fritz <teslalist-at-qwest-dot-net>" <mbroker-at-thegeekgroup-dot-org>

One inch of water is 0.002458308atm, or 0.036127356psi (406.8inH2O/atm, 
27.69inH2O/psi)

Mark Broker
Chief Engineer, The Geek Group

On Mon, 14 Jul 2003 21:03:34 -0600, Tesla list <tesla-at-pupman-dot-com> wrote:

>Original poster: "J. B. Weazle McCreath by way of Terry Fritz 
><teslalist-at-qwest-dot-net>" <weazle-at-hurontel.on.ca>
>
>
>Hello Coilers,
>
>I finally got around to rigging up a manometer to measure the pressure in
>my hyperbaric gap.  I used "oxygen tubing" that I obtained from a doctor
>friend and made a U loop of about 18 inches secured to a piece of wood.
>
>I put some water in the tube, marked the static position, then turned on
>the vaccuum cleaner compressor.  Much to my amazement, it proceeded to
>blow the water completely out of the tube!  I've obviously got a lot
>more pressure than I thought!!
>
>Does anyone know what the relationship between inches of water and actual
>pressure in PSI is?  I know what it is for mercury, since altimeters and
>barometers commonly use it, but I can't find any info on water.
>
>73, Weazle, VE3EAR/VE3WZL
>
>Details of my "Hyperbaric Gap" and Tesla coil are at:
>http://www.hurontel.on.ca/~weazle
>